PACCAR · 2018-08-14
Fix as Fail: DEF dosing valve inlet screen may become plugged with debris, setting DTC codes P3912, P3857 and/or P3926. Corrosion of the DEF dosing heating element may deteriorate and flake off causing debris to plug the screen.
P3857 · Manufacturer communications
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
P3857 ← What does this code mean?1 Results